package edu.lingnan.springcloud;

import com.netflix.hystrix.contrib.metrics.eventstream.HystrixMetricsStreamServlet;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.context.annotation.Bean;

/**
 * @author wuyuan
 * @since 2020-06-07 23:57
 *
 *  启动类
 */
@SpringBootApplication
@EnableEurekaClient // 在服务启动后自动注册到Eureka中；
@EnableDiscoveryClient // 服务发现
@EnableCircuitBreaker // 添加对熔断的支持，（断路器）
public class ClassesProviderHystrix8001 {
    public static void main(String[] args) {
        SpringApplication.run(ClassesProviderHystrix8001.class, args);

    }

    //    增加一个Servlet
    @Bean
    public ServletRegistrationBean hystrixMetricsStreamServlet(){
        ServletRegistrationBean registrationBean = new ServletRegistrationBean(new HystrixMetricsStreamServlet());
        registrationBean.addUrlMappings("/actuator/hystrix.stream");//监控这个流的信息
        return registrationBean;
    }
}
